2321241440 has 96 divisors (see below), whose sum is σ = 6276372480. Its totient is φ = 794709504.

The previous prime is 2321241427. The next prime is 2321241449. The reversal of 2321241440 is 441421232.

It is a super-3 number, since 3×2321241440³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321241449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234421 + ... + 1236299.

It is an arithmetic number, because the mean of its divisors is an integer number (65378880).

Almost surely, 2^2321241440 is an apocalyptic number.

2321241440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321241440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3138186240).

2321241440 is an abundant number, since it is smaller than the sum of its proper divisors (3955131040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321241440 is a wasteful number, since it uses less digits than its factorization.

2321241440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2321241440 is about 48179.2635892248. The cubic root of 2321241440 is about 1324.0572745948.

Adding to 2321241440 its reverse (441421232), we get a palindrome (2762662672).

The spelling of 2321241440 in words is "two billion, three hundred twenty-one million, two hundred forty-one thousand, four hundred forty".